program for Dual DAC, RAMP wave in 8051

#include <REG51xD2.H>

main()

{

unsigned char i=0;

P0 = 0x00; /* P0 as Output port */

while(1)

{

for(i=0;i<0xff;i++)

{

P1 = i;

P0 = i;

}

P0 = 0;

P1 =0;

}

}